GG's


To recap:  The screw is about modern #8-32 but its too coarse to thread into an
8-32 wing nut.  The bolt vendor suggested something like an 8-28.


This rules out BA threads - BA #3 is very close to #8 at 0.161 diameter, but the
BA 3 thread is  far too fine at 34.79 threads per inch.


Thury Threads?


John Ruth

Metuchen NJ

"Of threads, and threading systems, there is no end!"  [  (tm) John Ruth ]


________________________________
From: OldTools  on behalf of Ed Minch 
Sent: Tuesday, December 12, 2017 6:29:05 AM
To: paul womack
Cc: Erik Levin; Porch
Subject: Re: [OldTools] Thumb screw wanted

Please ignore - I just got up and did not correlate this morning’s discussion
with the OP.  Pass the spittoon and happy Tuesday

Ed Minch




> On Dec 12, 2017, at 6:25 AM, Ed Minch  wrote:
>
> How about threading it into a nut til it is flush with the back, then count
the turns til it protrudes an inch?   Or take it to the hardware store and
thread it into that rack-o-marked-nuts.
>
> Ed Minch
>

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